export const IDENT_RE = '[A-Za-z$_][0-9A-Za-z$_]*';
export const EXTENDED_NUMBER_RE = '([-+]?)(\\b0[xX][a-fA-F0-9]+|(\\b\\d+(\\.\\d*)?|\\.\\d+)([eE][-+]?\\d+)?)|NaN|[-+]?Infinity'; // 0x..., 0..., decimal, float

export const EXTENDED_NUMBER_MODE = {
  scope: 'number',
  match: EXTENDED_NUMBER_RE,
  relevance: 0
};

const KEYWORDS = [
  "as", // for exports
  "in",
  "of",
  "if",
  "for",
  "while",
  "finally",
  "var",
  "new",
  "function",
  "do",
  "return",
  "void",
  "else",
  "break",
  "catch",
  "instanceof",
  "with",
  "throw",
  "case",
  "default",
  "try",
  "switch",
  "continue",
  "typeof",
  "delete",
  "let",
  "yield",
  "const",
  "class",
  // JS handles these with a special rule
  // "get",
  // "set",
  "debugger",
  "async",
  "await",
  "static",
  "import",
  "from",
  "export",
  "extends",
  // It's reached stage 3, which is "recommended for implementation":
  "using"
];
const LITERALS = [
  "true",
  "false",
  "null",
  "undefined",
  "NaN",
  "Infinity"
];

// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects
export const TYPES = [
  // Fundamental objects
  "Object",
  "Function",
  "Boolean",
  "Symbol",
  // numbers and dates
  "Math",
  "Date",
  "Number",
  "BigInt",
  // text
  "String",
  "RegExp",
  // Indexed collections
  "Array",
  "Float32Array",
  "Float64Array",
  "Int8Array",
  "Uint8Array",
  "Uint8ClampedArray",
  "Int16Array",
  "Int32Array",
  "Uint16Array",
  "Uint32Array",
  "BigInt64Array",
  "BigUint64Array",
  // Keyed collections
  "Set",
  "Map",
  "WeakSet",
  "WeakMap",
  // Structured data
  "ArrayBuffer",
  "SharedArrayBuffer",
  "Atomics",
  "DataView",
  "JSON",
  // Control abstraction objects
  "Promise",
  "Generator",
  "GeneratorFunction",
  "AsyncFunction",
  // Reflection
  "Reflect",
  "Proxy",
  // Internationalization
  "Intl",
  // WebAssembly
  "WebAssembly"
];

export const ERROR_TYPES = [
  "Error",
  "EvalError",
  "InternalError",
  "RangeError",
  "ReferenceError",
  "SyntaxError",
  "TypeError",
  "URIError"
];

export const BUILT_IN_GLOBALS = [
  "setInterval",
  "setTimeout",
  "clearInterval",
  "clearTimeout",

  "require",
  "exports",

  "eval",
  "isFinite",
  "isNaN",
  "parseFloat",
  "parseInt",
  "decodeURI",
  "decodeURIComponent",
  "encodeURI",
  "encodeURIComponent",
  "escape",
  "unescape"
];

export const BUILT_IN_VARIABLES = [
  "arguments",
  "this",
  "super",
  "console",
  "window",
  "document",
  "localStorage",
  "sessionStorage",
  "module",
  "global" // Node.js
];

const BUILT_INS = [].concat(
  BUILT_IN_GLOBALS,
  TYPES,
  ERROR_TYPES
);

export { LITERALS, BUILT_INS, KEYWORDS };
